anyone know who sells an exhaust for an 89 350 tpi, with dual cats and has a dual outlet out the back? borla is too expensive. flowmaster is only single outlet. anyone know a company who sells one with dual outlets?

 

i was looking into more exhausts and i dont know if i have a 2.5 inch flanged cat or 3 inch cat? i dont want to order the wrong exhaust system.

 

If it's factory it will have the 2 1/2 inch cats. I would just buy the single cat version and get a Flowmaster "Y" pipe. The single cat pipe is longer than the dual cat version. Just cut it to length to fit the newly installed Flowmaster "Y" pipe. The factory Y-Pipe is robbing you horsepower and that is why I recommend that you change it out.

Check with Magnaflow or Dynomax for a dual outlet muffler system. The single outlet usually is good for a little better flow and HP.

 

ok so i have to buy a new "y" pipe from flowmaster? or it comes in the kit?

 

I have not seen all the kits available but I have not seen any cat back exhausts that come with a new Y-Pipe.

 

thanks for the info, flowmaster makes a kti for my car but the tailpipe is 2.5 inch??? whats with that? will that make a big difference or hurt me? im thinkin of just sayn fk it and ordering it.

 

It will hurt you. That is about equal to one bank of your exhaust from the engine. You need to take the time and search for a Cat-Back of at least 3 inches.

 

I just checked Summit Racing and they sell the FLO-17233 Flowmaster cat back with a 3" tailpipe and dual outlet muffler. Sounds like what you are looking for. The Flowmaster part number will be 17233.

 

thats for single cats only, i have dual cats, the one im looking at is 3 inch exhaust, 3 inch inlet pipe, but has 2.5 inch tailpipes, then back to 3 inch tips

 

The one with the 3 inch tail pipe will work. Two 2 1/2 inch exhaust pipes is larger than one 3 inch tail pipe. So the one you have selected will work just fine.

 

thanks man i ordered it tonight